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d254f97c03
Allow assembler expressions to start with an identifier. This allows for expressions such as ``` b symbol + 4 ``` and ``` mov symEnd - symStart, %g1 ``` The patch builds upon https://reviews.llvm.org/D47136. Reviewed By: joerg Differential Revision: https://reviews.llvm.org/D47458
47 lines
2.0 KiB
ArmAsm
47 lines
2.0 KiB
ArmAsm
! RUN: llvm-mc %s -arch=sparc -show-encoding | FileCheck %s
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! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
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! CHECK: mov 1033, %o1 ! encoding: [0x92,0x10,0x24,0x09]
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mov (0x400|9), %o1
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! CHECK: mov 60, %o2 ! encoding: [0x94,0x10,0x20,0x3c]
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mov ((12+3)<<2), %o2
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! CHECK: ba symStart+4 ! encoding: [0x10,0b10AAAAAA,A,A]
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! CHECK: fixup A - offset: 0, value: symStart+4, kind: fixup_sparc_br22
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! OBJDUMP: ba 1
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symStart:
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b symStart + 4
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! CHECK: mov symEnd-symStart, %g1 ! encoding: [0x82,0x10,0b001AAAAA,A]
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! CHECK: fixup A - offset: 0, value: symEnd-symStart, kind: fixup_sparc_13
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! OBJDUMP: mov 24, %g1
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mov symEnd - symStart, %g1
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! CHECK: sethi %hi(sym+10), %g2 ! encoding: [0x05,0b00AAAAAA,A,A]
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! CHECK: fixup A - offset: 0, value: %hi(sym+10), kind: fixup_sparc_hi22
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! OBJDUMP: R_SPARC_HI22 sym+0xa
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sethi %hi(sym + 10), %g2
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! CHECK: call foo+40 ! encoding: [0b01AAAAAA,A,A,A]
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! CHECK: fixup A - offset: 0, value: foo+40, kind: fixup_sparc_call30
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! OBJDUMP: R_SPARC_WDISP30 foo+0x28
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call foo + 40
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! CHECK: add %g1, val+100, %g1 ! encoding: [0x82,0x00,0b011AAAAA,A]
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! CHECK: fixup A - offset: 0, value: val+100, kind: fixup_sparc_13
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! OBJDUMP: R_SPARC_13 val+0x64
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add %g1, val + 100, %g1
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! CHECK: add %g1, 100+val, %g2 ! encoding: [0x84,0x00,0b011AAAAA,A]
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! CHECK: fixup A - offset: 0, value: 100+val, kind: fixup_sparc_13
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! OBJDUMP: R_SPARC_13 val+0x64
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add %g1, 100 + val, %g2
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symEnd:
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! "." is exactly like a temporary symbol equated to the current line.
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! RUN: llvm-mc %s -arch=sparc | FileCheck %s --check-prefix=DOTEXPR
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! DOTEXPR: .Ltmp0
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! DOTEXPR-NEXT: ba .Ltmp0+8
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b . + 8
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